Troubleshooting

This section provides solutions to the issues that can occur while operating a Mirantis Container Cloud management, regional, or managed cluster.

For the list of known issues that you may encounter in the two latest Container Cloud releases, refer to 2.25.0 known issues and 2.24.0 known issues.

• Collect cluster logs
• Cluster deletion or detachment freezes
• Authentication failure with the 401 Unauthorized error
• Keycloak admin console becomes inaccessible after changing the theme
• Stuck kubelet on the Cluster release 5.x.x series
• MOSK clusters update fails with stuck kubelet
• The ‘database space exceeded’ error on large clusters
• The auditd events cause ‘backlog limit exceeded’ messages
• Troubleshoot baremetal-based clusters
• Troubleshoot vSphere-based clusters
• Troubleshoot Ceph
• Troubleshoot StackLight

See also

Deployment Guide: Troubleshoot the vSphere-based deployments